CVE-2018-20657
libiberty: Memory leak in demangle_template function resulting in a denial of service
Severity Score
7.5
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
The demangle_template function in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.31.1, has a memory leak via a crafted string, leading to a denial of service (memory consumption), as demonstrated by cxxfilt, a related issue to CVE-2018-12698.
La función demangle_template en cplus-dem.c en GNU libiberty, como se distribuyó en la versión 2.31.1, tiene una fuga de memoria mediante una cadena manipulada, provocando una denegación de servicio (consumo de memoria), tal y como queda demostrado con cxxfilt. Este problema está relacionado con CVE-2018-12698.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2019-01-02 CVE Reserved
- 2019-01-02 CVE Published
- 2024-08-05 CVE Updated
- 2024-08-05 First Exploit
- 2024-08-21 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-400: Uncontrolled Resource Consumption
- CWE-772: Missing Release of Resource after Effective Lifetime
CAPEC
References (6)
| URL | Tag | Source |
|---|---|---|
| http://www.securityfocus.com/bid/106444 | Third Party Advisory | |
| https://support.f5.com/csp/article/K62602089 | Third Party Advisory |
| URL | Date | SRC |
|---|---|---|
| https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88539 | 2024-08-05 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2019:3352 | 2019-11-06 | |
| https://access.redhat.com/security/cve/CVE-2018-20657 | 2019-11-05 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1664708 | 2019-11-05 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Gnu Search vendor "Gnu" | Binutils Search vendor "Gnu" for product "Binutils" | 2.31.1 Search vendor "Gnu" for product "Binutils" and version "2.31.1" | - |
Affected
| ||||||
| F5 Search vendor "F5" | Traffix Signaling Delivery Controller Search vendor "F5" for product "Traffix Signaling Delivery Controller" | >= 5.0.0 <= 5.1.0 Search vendor "F5" for product "Traffix Signaling Delivery Controller" and version " >= 5.0.0 <= 5.1.0" | - |
Affected
| ||||||
| F5 Search vendor "F5" | Traffix Signaling Delivery Controller Search vendor "F5" for product "Traffix Signaling Delivery Controller" | 4.4.0 Search vendor "F5" for product "Traffix Signaling Delivery Controller" and version "4.4.0" | - |
Affected
| ||||||